condition mean min max 0 h after light 6.5679549999999995 6.39351 6.7424 4 h after light 4.4599150000000005 4.35275 4.56708 8 h after light 5.572245000000001 5.18681 5.95768 4 h after dark 7.447255 6.47025 8.42426 8 h after dark 6.20664 5.36733 7.04595 12 h after dark 5.439855 5.37996 5.49975